Feature extraction
[计] 特征抽取
🧩 词语组成解析
feature
['fitʃɚ]
n. 特征，特点;容貌，面貌;（期刊的）特辑;故事片;
vt. 使有特色;描写…的特征;以…为号召物;
vi. 起主要作用;作重要角色;
feat做，制作+ure名词后缀→做事的状态→做事特征 → 面貌；特征
extraction
[ɪk'strækʃən]
n. 取出，抽出;血统，家世，出身;[化]提取（法），萃取（法），回收物，提出物，精炼;[数]开方，求根;
ex分开+tract拉+ion表名词 → 提炼；抽出
🗣️ 情景例句
To advertise during prime time TV is very expensive.
在电视的黄金时段买广告是很贵的。
Don't you have anything better to do?
你没别的事好做吗？
After his attempt, Campbell was disappointed to learn that his average speed had been 299 miles per hour.
比赛结束后，坎贝尔非常失望地得知他的平均时速是299英里。